/***************************************************************************
 *
 * Copyright (c) 2014 Baidu, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 **************************************************************************/
// Author: Wen Xiang <bigflow-opensource@baidu.com>

#ifndef FLUME_RUNTIME_COMMON_STATUS_SHUFFLE_EXECUTOR_H_
#define FLUME_RUNTIME_COMMON_STATUS_SHUFFLE_EXECUTOR_H_

#include <deque>
#include <map>
#include <string>
#include <utility>
#include <vector>

#include "boost/optional.hpp"
#include "boost/ptr_container/ptr_map.hpp"
#include "boost/ptr_container/ptr_vector.hpp"
#include "toft/base/scoped_ptr.h"
#include "toft/base/string/string_piece.h"

#include "flume/core/objector.h"
#include "flume/proto/logical_plan.pb.h"
#include "flume/proto/physical_plan.pb.h"
#include "flume/runtime/common/executor_base.h"
#include "flume/runtime/common/shuffle_impl.h"
#include "flume/runtime/common/sub_executor_manager.h"
#include "flume/runtime/dispatcher.h"
#include "flume/runtime/executor.h"
#include "flume/runtime/status_table.h"
#include "flume/util/type_guard.h"

namespace baidu {
namespace flume {
namespace runtime {

class StatusShuffleCore : public ExecutorCore {
public:
    StatusShuffleCore() : m_status_table(NULL) {}

    void SetStatusTable(StatusTable* status_table);

protected:
    void DecodeKey(const toft::StringPiece& buffer, toft::StringPiece* key);
    void DecodeKey(const toft::StringPiece& buffer, uint32_t* sequence);

    StatusTable* m_status_table;
};

StatusShuffleCore* CreateStatusShuffleCore(const PbExecutor& message);

}  // namespace runtime
}  // namespace flume
}  // namespace baidu

#endif  // FLUME_RUNTIME_COMMON_STATUS_SHUFFLE_EXECUTOR_H_
